Thread: pgsql: Remove "History" sections for pg_dump and pg_restore.

Log Message:
-----------
Remove "History" sections for pg_dump and pg_restore.  I don't think
anyone cares because the last history change was for PostgreSQL 7.1.

Modified Files:
--------------
    pgsql/doc/src/sgml/ref:
        pg_config-ref.sgml (r1.26 -> r1.27)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_config-ref.sgml.diff?r1=1.26&r2=1.27)
        pg_dump.sgml (r1.94 -> r1.95)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_dump.sgml.diff?r1=1.94&r2=1.95)
        pg_restore.sgml (r1.67 -> r1.68)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_restore.sgml.diff?r1=1.67&r2=1.68)